| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB 2147-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 227.5-1994 |
Determination of selenium content in tellurium--2 3-diaminonaphthalene absorption photometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.2-1994 |
Determination of antimony content in selenium--Malachite green photometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.12-2009 |
Methods for chemical analysis of selenium—Part 12:Determination of selenium content—Sodium thiosulphate titrimetric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 2116-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 37.1-1992 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 19922-2005 |
Standard test methods for measuring site flatness on silicon wafers by noncontact scanning |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YS/T 226.12-1994 |
Determination of lead content in selenium--Oscillopolarographic method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 519.3-2006 |
Methods for chemical analysis of arsenic The barium sulphate gravimetric method for the determination of sulphur content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.3-2009 |
Methods for chemical analysis of selenium Part 3:Determination of aluminum content-Chrome azurol S-Cetyl trimethyl ammonium bromide absorption photometric method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YS/T 226.9-1994 |
Determination of chlorine content in selenium--Thiocyanate photometric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 227.7-1994 |
Determination of sulphur content in tellurium--Barium sulfate turbidimetry |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4059-2007 |
Polycrystalline silicon—Examination method—Zone-melting on phosphorus under controlled atmosphere |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 2123-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.8-2009 |
Methods for chemical analysis of selenium Part 8:Determination of copper content-Flame atomic absorption spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 32277-2015 |
Test method for instrumental neutron activation analysis (INAA) of silicon |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 2121-1980 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4373.3-1984 |
Methods for chemical analysis of arsenic;The barium sulphate gravimetric method for the determination of sulphur content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 4373.4-1984 |
Methods for chemical analysis of arsenic;The dithio-diantipyrylmethane photometric method for the determination of bismuth content |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 226.15-1994 |
Determination of selenium content in selenium--Thiosulfate volumetric method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
